// 获取存储
export function getData(key) {
  return window.sessionStorage.getItem(key) ? window.sessionStorage.getItem(key) : ''
}

// 设置存储
export function setData(key, value) {
  window.sessionStorage.setItem(key, value)
}

// 删除存储
export function removeData(key) {
  window.sessionStorage.removeItem(key)
}

// 删除所有本地存储
export function clearAllData() {
  window.sessionStorage.clear()
}

// 生成32位UUID方法
export function uuid2() {
  const s = []
  const hexDigits = '0123456789abcdef'
  for (let i = 0; i < 32; i++) {
    s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1)
  }
  s[14] = '4' // bits 12-15 of the time_hi_and_version field to 0010
  s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1) // bits 6-7 of the clock_seq_hi_and_reserved to 01
  s[8] = s[13] = s[18] = s[23]
  const uuid = s.join('')
  return uuid
}
